Screen size
B510Winner: 1.8"+15%
Galaxy Watch Ultra21.5"
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-4.
Measured wins
B510
4
spec wins
Ties
4
equal specs
Galaxy Watch Ultra2
11
spec wins
Overall winner
Screen size
Technology
B510
GSM
Galaxy Watch Ultra2
GSM / HSPA / LTE
2G bands
B510
GSM 900 / 1800 / 1900
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
GPRS
B510
Class 10
Galaxy Watch Ultra2
-
EDGE
B510
Class 10
Galaxy Watch Ultra2
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
-
3G bands
B510
-
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
B510
-
Galaxy Watch Ultra2
LTE
Speed
B510
-
Galaxy Watch Ultra2
HSPA, LTE
Announced
B510
2008, September. Released 2008, December
Galaxy Watch Ultra2
Not announced yet
Status
B510
Discontinued
Galaxy Watch Ultra2
Rumored
Dimensions
B510
95 x 46.5 x 18.4 mm (3.74 x 1.83 x 0.72 in)
Galaxy Watch Ultra2
-
Weight
B510
93 g (3.28 oz)
Galaxy Watch Ultra2
-
SIM
B510
Mini-SIM
Galaxy Watch Ultra2
eSIM
Build
B510
-
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Other
B510
-
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
Type
B510
CSTN, 65K colors
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Size
B510
1.77 inches, 9.9 cm2 (~22.3% screen-to-body ratio)
Galaxy Watch Ultra2
1.5 inches
Resolution
B510
128 x 160 pixels (~116 ppi density)
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Protection
B510
-
Galaxy Watch Ultra2
Sapphire crystal glass
Card slot
B510
No
Galaxy Watch Ultra2
No
Phonebook
B510
500 entries, Photocall
Galaxy Watch Ultra2
-
Call records
B510
30 dialed, 30 received, 30 missed calls
Galaxy Watch Ultra2
-
Internal
B510
4MB
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Other
B510
No
Galaxy Watch Ultra2
No
Loudspeaker
B510
Yes
Galaxy Watch Ultra2
Yes
3.5mm jack
B510
No
Galaxy Watch Ultra2
No
WLAN
B510
No
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
B510
2.0, A2DP
Galaxy Watch Ultra2
6.0, A2DP, LE
Positioning
B510
No
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Radio
B510
FM radio
Galaxy Watch Ultra2
No
USB
B510
2.0
Galaxy Watch Ultra2
No
NFC
B510
-
Galaxy Watch Ultra2
Yes
Sensors
B510
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Messaging
B510
SMS, EMS, MMS
Galaxy Watch Ultra2
-
Browser
B510
WAP 2.0/xHTML
Galaxy Watch Ultra2
-
Games
B510
Yes
Galaxy Watch Ultra2
-
Java
B510
Yes, MIDP 2.0
Galaxy Watch Ultra2
-
Other
B510
Predictive text input Organizer Voice memo
Galaxy Watch Ultra2
-
Type
B510
Removable Li-Ion 800 mAh battery
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Stand-by
B510
Up to 300 h
Galaxy Watch Ultra2
-
Talk time
B510
Up to 3 h
Galaxy Watch Ultra2
-
Charging
B510
-
Galaxy Watch Ultra2
10W wireless
Colors
B510
White, Silver, Purple
Galaxy Watch Ultra2
Gray, Green
SAR EU
B510
0.62 W/kg (head)
Galaxy Watch Ultra2
-
Price
B510
About 80 EUR
Galaxy Watch Ultra2
About 750 EUR
Models
B510
-
Galaxy Watch Ultra2
SM-L715F
OS
B510
-
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Chipset
B510
-
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
CPU
B510
-
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)